* {
    margin: 0;
    padding: 0;
    list-style: none;
}

html,
body,
.wrap {
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.con {
    flex: 1;
    background: url(../../bj.jpg);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    p {
        font-size: 20px;
        color: #fff;
    }
}